Home / 149,989.20-224,987.84-65,706

Finding the Fourth Proportional to 149,989.20, 224,987.84 and 65,706

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Solution

The fourth proportional to 149,989.20, 224,987.84 and 65,706 is: 98,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,989.20 : 224,987.84 = 65,706 : x
  2. Step 2: Convert to fraction form
    149,989.20/224,987.84 = 65,706/x
  3. Step 3: Cross multiply
    149,989.20x = 224,987.84 × 65,706
  4. Step 4: Simplify right side
    149,989.20x = 14,783,051,015.04
  5. Step 5: Solve for x
    x = 14,783,051,015.04/149,989.20
  6. Step 6: Final answer
    x = 98,560.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.